The Justice Department states that Jack Teixeira should be detained pending trial, saying his violent rhetoric coupled with his apparent efforts to destroy evidence 'compound his risk of flight and dangerousness.'

Congress has shown little inclination to outlaw assault weapons after a ban on such weapons expired in 2004, but Biden is hoping to use growing American outrage about mass shootings to lead to greater pressure on lawmakers to change their mind.

South Africa, home to about 60 million people, is one of the world's most violent countries with 20,000 people murdered every year, one of the highest per-capita murder rates globally.

The 6-3 decision strikes down a more than century-old New York law that required a person to prove they had a legitimate self-defence need to receive a permit to carry a concealed handgun outside the home.